Variegated Hablitzia on Nesodden

I visited my son today on Nesodden (Oslo) and was impressed by how much growth his Hablitzia had put on and then I noticed that one of the stems had variegated leaves…I’m not sure if this is the same plant as the stems with normal leaves…will try to check on my next visit!

You can possibly pick out the single vareigated stem!

I once before saw variegation on Hablitzia but it disappeared the next year!